From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29621 invoked by alias); 19 Jun 2013 09:56:13 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 29581 invoked by uid 89); 19 Jun 2013 09:56:07 -0000 X-Spam-SWARE-Status: No, score=-4.6 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_HOSTKARMA_W,RCVD_IN_HOSTKARMA_WL autolearn=ham version=3.3.1 Received: from relay1.mentorg.com (HELO relay1.mentorg.com) (192.94.38.131) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Wed, 19 Jun 2013 09:56:06 +0000 Received: from svr-orw-fem-01.mgc.mentorg.com ([147.34.98.93]) by relay1.mentorg.com with esmtp id 1UpF7S-0005f9-E9 from Yao_Qi@mentor.com ; Wed, 19 Jun 2013 02:56:02 -0700 Received: from SVR-ORW-FEM-02.mgc.mentorg.com ([147.34.96.206]) by svr-orw-fem-01.mgc.mentorg.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Wed, 19 Jun 2013 02:56:01 -0700 Received: from qiyao.dyndns.org (147.34.91.1) by svr-orw-fem-02.mgc.mentorg.com (147.34.96.168) with Microsoft SMTP Server id 14.2.247.3; Wed, 19 Jun 2013 02:56:01 -0700 Message-ID: <51C18021.6080108@codesourcery.com> Date: Wed, 19 Jun 2013 10:03:00 -0000 From: Yao Qi User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Tom Tromey CC: Pedro Alves , Eli Zaretskii , Subject: Re: [PATCH] Teach -data-list-register-values to not include unavailable registers References: <1370609650-23595-1-git-send-email-yao@codesourcery.com> <83sj0ut2ob.fsf@gnu.org> <51B23B65.8060309@redhat.com> <51B28F73.30301@codesourcery.com> <874ncva1uy.fsf@fleche.redhat.com> In-Reply-To: <874ncva1uy.fsf@fleche.redhat.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-SW-Source: 2013-06/txt/msg00479.txt.bz2 On 06/18/2013 11:13 PM, Tom Tromey wrote: > Why a new argument rather than just having MI annotate unavailable > registers directly? > > -data-list-register-values x 0 8 > ^done,register-values=[{number="0",unavailable="1"},{number="8",value="0x80483de"}] > The MI front-end doesn't parse the output like this, as each register is represented by "number-value" pair. > Is it not useful to see the unavailable ones? Processor may have a large number of registers, and users are only interested in collected or available registers in a traceframe. In this case, it is not useful to show (a large of number of) unavailable registers. -- Yao (齐尧)